MHE - The chromosomal disorder that I have chosen to write...

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Unformatted text preview: The chromosomal disorder that I have chosen to write about is called Multiple Hereditary Exostoses or MHE for short. Multiple Hereditary Exostoses (MHE or EXT) is an autosomal dominant trait characterized by multiple exostoses or cartilage capped bony prominences typically arising in the metaphyseal region of long bones, although the diaphysis, spine, and ribs may also be involved (Posna, 2010). People who have MHE grow exostoses, or bony bumps, on their bones which can vary in size, location, and number depending on the individual. Although any bone can be affected, the long bones, pelvis, and shoulder blades are the most common, while the face and skull are generally unaffected. Boys and girls can both be affected. The exostoses grow near the growth centers of the bone, they can make the growth center grow poorly, or only part of it grow poorly. This makes a lot of people with MHE somewhat shorter than average or have bowed arms or legs. Often, the forearm will bow out, or the legs can become knock average or have bowed arms or legs....
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MHE - The chromosomal disorder that I have chosen to write...

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